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IR Beamsplitter, Calcium Fluoride, 25.4 mm, 50R/50T Ratio

  • Wavelength Range
    2-8 µm
  • Diameter
    25.4 mm
  • Material
    Calcium Fluoride
  • Coating Second Surface
    Uncoated
  • Angle of Incidence
    45°
  • Reflection
    50 ±10%
  • Transmission
    50 ±10%
  • Surface Flatness
    ≤2 λ at 632.8 nm over the clear aperture
  • Surface Quality
    60-40 scratch-dig
  • Diameter Tolerance
    +0.00/-0.13 mm
  • Thickness
    2.0 mm  
  • Thickness Tolerance
    ± 0.13 mm
  • Parallelism
    3 arc minutes
  • Clear Aperture
    > central 85% of diameter
  • Cleaning
    See How to Clean Optics
Other